15% of 60 = 9, so she sent 9 messages to her best friend.
Hope that helps.
I think I get 2 and 4, for that one. I think you are supposed to make up an equation, such as xy ≤ x²
Answer:
Suppose you earned extra money by having a part-time job. You open up a bank account in order to save your money. Your body acts similar to a bank account—you can “deposit” and “store” energy.
Step-by-step explanation:
1 63/100. Nothing can be divided by both 100 and 63.
Answer:
see below
Step-by-step explanation:
As with many multiple-choice questions, the appropriate choices can often be determined with a simple test. Here, you only need to look at the values of the constants. (Those are ringed in blue.)